Physics · Fluid Mechanics
For steady viscous flow between two stationary parallel plates, the loss of pressure head (hf) over a length L is given by which of the following equations? (where μ is dynamic viscosity, u̅ is mean velocity, ρ is density, g is acceleration due to gravity, and t is the distance between plates)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1hf = 12μu̅Lρgt4
- 2hf = 32μu̅Lρgt2
- 3hf = 12μu̅Lρgt2✓
- 4hf = 64μu̅Lρgt2
Correct answer
hf = 12μu̅Lρgt2
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